zz
by jasonxu @ 2019-01-09 18:56:14
### 求助，30分
```
#include<iostream>
using namespace std;
long long ans,n,a;
int main()
{
cin>>n;
ans=n;
for(int i=1;i<=n;i++)
{
for(int j=2;j<=i;j++)
{
if(i%j==0)
ans++;
}
}
cout<<ans<<endl;
return 0;
}
}
```
by BookofDeath @ 2019-03-10 00:24:42